from random import choice

class RandomWalk():
	"""docstring for ClassName"""
	def __init__(self,num_points=5000):
		self.num_points = num_points
		self.x_values = [0]
		self.y_values = [0]

	def fill_walk(self):
		while len(self.x_values)<self.num_points:
			x_direction = choice([1,-1]);
			x_distance = choice([0,1,2,3,4])
			x_step = x_direction*x_distance
			y_direction = choice([1,-1]);
			y_distance = choice([0,1,2,3,4])
			y_step = y_direction*y_distance
			if x_step==0 and y_step==0:
				continue;
			next_x = self.x_values[-1] + x_step
			next_y = self.y_values[-1] + y_step
			self.x_values.append(next_x)
			self.y_values.append(next_y)
